Bedtime Math App – This is a free app! (apple and googleplay) Their mission is to make math a fun part of kids’ everyday lives. There is a Math Problem of the Day, or 1000 math problems to choose from in both English and Spanish. Ages range from pre-k and up, with challenging questions for the over achiever!
Middle School Math 6th Grade (Monkey in the Middle Apps LLC) – Focus on 6th grade math skills!